Tourism

Associated Press
Britain's Prime Minister David Cameron, right, and London Mayor Boris Johnson walk through the 7/7 memorial in Hyde Park to lay wreaths in London, Tuesday, July 7, 2015. Britons marked the 10th anniversary of suicide bomb attacks on London's transit system Tuesday, as Prime Minister David Cameron said the recent slaying of 30 British tourists in Tunisia was a reminder that terror threats remain real and deadly. (AP Photo/Matt Dunham)

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